Pass tag name to update hook too

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

lib/gitlab_update.rb

@@ -5,7 +5,7 @@ require 'json'
 class GitlabUpdate
   attr_reader :config
 
-  def initialize(repo_path, actor, refname)
+  def initialize(repo_path, actor, ref)
     @config = GitlabConfig.new
 
     @repo_path = repo_path.strip
@@ -15,8 +15,8 @@ class GitlabUpdate
     @repo_name.gsub!(/^\//, "")
 
     @actor = actor
-    @refname = refname
-    @branch_name = /refs\/heads\/([\/\w\.-]+)/.match(refname).to_a.last
+    @ref = ref
+    @ref_name = ref.gsub(/\Arefs\/(tags|heads)\//, '')
 
     @oldrev  = ARGV[1]
     @newrev  = ARGV[2]
@@ -27,11 +27,11 @@ class GitlabUpdate
     # get value from it
     ENV['GL_ID'] = nil
 
-    if api.allowed?('git-receive-pack', @repo_name, @actor, @branch_name, @oldrev, @newrev)
+    if api.allowed?('git-receive-pack', @repo_name, @actor, @ref_name, @oldrev, @newrev)
       update_redis
       exit 0
     else
-      puts "GitLab: You are not allowed to access #{@branch_name}!"
+      puts "GitLab: You are not allowed to access #{@ref_name}!"
       exit 1
     end
   end
@@ -44,7 +44,7 @@ class GitlabUpdate
 
   def update_redis
     queue = "#{config.redis_namespace}:queue:post_receive"
-    msg = JSON.dump({'class' => 'PostReceive', 'args' => [@repo_path, @oldrev, @newrev, @refname, @actor]})
+    msg = JSON.dump({'class' => 'PostReceive', 'args' => [@repo_path, @oldrev, @newrev, @ref, @actor]})
     unless system(*config.redis_command, 'rpush', queue, msg, err: '/dev/null', out: '/dev/null')
       puts "GitLab: An unexpected error occurred (redis-cli returned #{$?.exitstatus})."
       exit 1